| |
 |
|
Class Information
Number: 507/129
Name: Earth boring, well treating, and oil field chemistry > Earth boring > Contains organic component > Organic component contains nitrogen attached directly or indirectly to carbon by nonionic bonding
Description: Composition wherein nitrogen is attached to carbon directly or indirectly by nonionic bonding.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7629296 |
Composition and method for thickening heavy aqueous brines with cationic guar |
Dec. 8, 2009 |
| 7622427 |
Ethoxylated raw cotton linters for completion and workover fluids |
Nov. 24, 2009 |
| 7618925 |
Shale hydration inhibition agent and method of use |
Nov. 17, 2009 |
| 7576039 |
Additive for drilling fluids |
Aug. 18, 2009 |
| 7572756 |
Shale hydration inhibition agent and method of use |
Aug. 11, 2009 |
| 7541315 |
Paraffin inhibitor compositions and their use in oil and gas production |
Jun. 2, 2009 |
| 7534746 |
Metallic soaps of modified tall oil acids |
May. 19, 2009 |
| 7521398 |
Shale hydration inhibition agent and method of use |
Apr. 21, 2009 |
| 7514392 |
Shale hydration inhibition agent and method of use |
Apr. 7, 2009 |
| 7514389 |
High performance water-based drilling mud and method of use |
Apr. 7, 2009 |
| 7507694 |
Surfactant-free emulsions and methods of use thereof |
Mar. 24, 2009 |
| 7497262 |
High performance water-based drilling mud and method of use |
Mar. 3, 2009 |
| 7494958 |
Shale hydration inhibition agent and method of use |
Feb. 24, 2009 |
| 7470419 |
Granules of powdery mineral and method for production of granules |
Dec. 30, 2008 |
| 7435706 |
Thinners for invert emulsions |
Oct. 14, 2008 |
| 7384892 |
Water-based drilling fluids |
Jun. 10, 2008 |
| 7381689 |
Methods for inhibiting hydrate blockage in oil and gas pipelines using amide compounds |
Jun. 3, 2008 |
| 7378378 |
Rheology enhancers |
May. 27, 2008 |
| 7377721 |
Methods for using reversible phase oil-based drilling fluid |
May. 27, 2008 |
| 7312183 |
Shale hydration inhibition agent and method of use |
Dec. 25, 2007 |
| 7279445 |
Membrane forming in-situ polymerization for water based drilling fluids |
Oct. 9, 2007 |
| 7256159 |
Fluid loss reducer for high temperature high pressure water based-mud application |
Aug. 14, 2007 |
| 7238646 |
Invertible well bore servicing fluid |
Jul. 3, 2007 |
| 7192907 |
High performance water-based drilling mud and method of use |
Mar. 20, 2007 |
| 7178594 |
Method for using reversible phase oil-based drilling fluid |
Feb. 20, 2007 |
| 7166160 |
Biodegradable cement retarder compositions and methods of cementing in a subterranean formation |
Jan. 23, 2007 |
| 7152697 |
Delayed phase changing agent for invert emulsion drilling fluid |
Dec. 26, 2006 |
| 7101829 |
Fluid loss reducer for high temperature and high pressure water-based mud application |
Sep. 5, 2006 |
| 7098172 |
Prevention and treatment of lost circulation with crosslinked polymer material |
Aug. 29, 2006 |
| 7094738 |
Phospholipid lubricating agents in aqueous based drilling fluids |
Aug. 22, 2006 |
| 7067460 |
Organofunctional compounds for shale stabilization of the aqueous dispersed phase of non-aqueous based invert emulsion drilling system fluids |
Jun. 27, 2006 |
| 7063176 |
Membrane forming in-situ polymerization for water based drilling fluid |
Jun. 20, 2006 |
| 7052901 |
Bacteria-based and enzyme-based mechanisms and products for viscosity reduction breaking of viscoelastic fluids |
May. 30, 2006 |
| 7008907 |
Additive for oil-based drilling fluids |
Mar. 7, 2006 |
| 6997270 |
Compounds and method for generating a highly efficient membrane in water-based drilling fluids |
Feb. 14, 2006 |
| 6989354 |
Invertible well bore servicing fluid |
Jan. 24, 2006 |
| 6964940 |
Method of preparing quaternized amidoamine surfactants |
Nov. 15, 2005 |
| 6921742 |
Well drilling fluids |
Jul. 26, 2005 |
| 6914081 |
Rheology modified compositions and modification agents |
Jul. 5, 2005 |
| 6806233 |
Methods of using reversible phase oil based drilling fluid |
Oct. 19, 2004 |
| 6793025 |
Double emulsion based drilling fluids |
Sep. 21, 2004 |
| 6790811 |
Oil based drilling fluid |
Sep. 14, 2004 |
| 6642183 |
Lubricating method for silicate drilling fluids |
Nov. 4, 2003 |
| 6608005 |
Wellbore fluids and their application |
Aug. 19, 2003 |
| 6608006 |
Methods of drilling well bores using invertible oil external-water internal drilling fluids |
Aug. 19, 2003 |
| 6502637 |
Treating shale and clay in hydrocarbon producing formations |
Jan. 7, 2003 |
| 6478868 |
Early-enhanced strength cement compositions and methods |
Nov. 12, 2002 |
| 6436877 |
Hydrate inhibition |
Aug. 20, 2002 |
| 6405809 |
Conductive medium for openhold logging and logging while drilling |
Jun. 18, 2002 |
| 6365639 |
Rheology, modified compositions exhibiting stress-dependent fluidity, modification agents therefor, and methods of making same |
Apr. 2, 2002 |
|
|
|
